Alex your professionalism and knowledge set an industry standard! I will keep returning with my trust in your products and opinions. Thanks.

Montie Milner

Alex Przygoda has added scientific rigor to a process that, in the past, has been highly subjective and fraught with error. He has shown me techniques to use in evaluating artifacts that have saved me many thousands of dollars!!

D.G., Illinois

Hi Karl, I just wanted to take a moment and comment about the article by Alex Przygoda in this issue of "Off-Line". The article is extremely well written, easy to understand, and exceptionally valuable information. As far as I'm concerned, this article has moved "Off-Line" into the "permanent keeper/reference material" category for me. Keep up the good work!

Jeff Bruder

Bill & Alex,
It was very nice to meet both of you at the AACA artifact show. Your groundbreaking work in the authentication field is second to none. Without knowledgeable authenticators like you this hobby would die.
Thanks so much for your kind words, and advice about the artifact business. Look forward to seeing you again soon.